<div class="list list-inset">
  <label class="item item-input">
    <input type="text" id="name" data-ng-model="vm.name"/>
    <button type="button" class="button button-balanced" id="clear" ng-click="vm.clear()">
      清空
    </button>
  </label>
</div>
<div id="name-echo">Calling {{vm.name}}...</div>
